package com.legrand;


import com.legrand.route.filter.UserSecurityFilter;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
import org.springframework.cloud.netflix.zuul.EnableZuulProxy;
import org.springframework.context.annotation.Bean;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;

/**
 * @author xiah
 * 2018-06-22 09:50:54
 */

@SpringBootApplication
@EnableEurekaClient
@EnableZuulProxy
public class ApiGatewayApplication {

    public static void main(String[] args) {
        SpringApplication.run(ApiGatewayApplication.class, args);
    }

    @Bean
    public UserSecurityFilter makeUserSecurityFilter() {
        return new UserSecurityFilter();
    }

    @Bean
    public CorsFilter corsFilter() {
        final UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        final CorsConfiguration config = new CorsConfiguration();
        config.setAllowCredentials(true);
        /**允许向该服务器提交请求的URI，表示全部允许，在SpringMVC中，如果设成，会自动转成当前请求头中的Origin*/
        config.addAllowedOrigin("*");
        /**允许访问的头信息,表示全部*/
        config.addAllowedHeader("*");
        /**预检请求的缓存时间（秒），即在这个时间段里，对于相同的跨域请求不会再预检了*/
        config.setMaxAge(18000L);
        /**允许提交请求的方法，*表示全部允许*/
        config.addAllowedMethod("OPTIONS");
        config.addAllowedMethod("HEAD");
        /**允许Get的请求方法*/
        config.addAllowedMethod("GET");
        config.addAllowedMethod("PUT");
        config.addAllowedMethod("POST");
        config.addAllowedMethod("DELETE");
        config.addAllowedMethod("PATCH");
        source.registerCorsConfiguration("/**", config);
        return new CorsFilter(source);
    }
}
